Question

2. The electronic configuration of three element X Y and Z are as follows.
X=2,4 y=2,7 z=2,1
Which two elements will combine to form an ionic Compound and write the correct formula.
a) X2y b) ZY c) XZ d)YZ​

Answer 1

Answer:

from my experience the ans is a) X2Y

Answer 2

Answer:

zy

Explanation:

z= lithium configuration:-2, 1 atomic no.:-3

y= fluorine configuration:-2,7 atomic no.:-9

valency of Li:-1+

valency of F:- 1-

Li F

1+ 1-

LiF :- Lithiumfluride